【编者按】多年来,由于季节性降雨强度大且集中,我国各地均不同程度地受到洪涝灾害的侵袭,排水作为维系城市“生命体”健康循环的重要环节,是提高新型城镇化质量的要件,是海绵城市建设的关键所在,与改善民生、保护环境、保障安全密切相关,在洪涝灾害来临时显得尤为重要。城镇内涝防治的主要目的是将降雨期间的地面积水控制在可接受的范围内。海绵城市正是基于解决这个问题而提出的,并且要从源头、过程和末端对冲城市的雨洪问题实现综合治理。近年来,海绵城市建设工作取得很大进展, [Editor’s note] Over the years, due to the seasonal rainfall intensity and concentration, various parts of China are affected by floods and floods to varying degrees, drainage as an important link in maintaining the health of the city “life body ” is to improve the quality of new urbanization Is the key to sponge city construction. It is closely related to improving people’s livelihood, protecting the environment and ensuring safety. It is especially important when a flood disaster comes. The main purpose of urban waterlogging prevention and control is to control the surface water during rainfall within an acceptable range. The sponge city is based on the solution of this issue. And it is necessary to hedge the rainstorm problem of the city from its source, process and end. In recent years, sponge city construction made great progress,